242 ORDER 91. LABIATE. 



c Heads panicled. Leaves subpetiolate, snbentire Nos. 7- 9 



c Heads corymbed. Leaves sessile, entire Nos. 1012 



c Heads solitary, involucrate. Lea\ es serrate No. 13 



1 P. albescens T. & G. Leaves lance-ovate, acute, whitened beneath, the upper 



whitened both sides ; flowers in little secund racemes. Ala. to La. 2 3f. 



2 P. Tullia Benth. Villous-pubescent ; leaves ovate to lanceolate, acute or pointed ; 



the floral whitened ; inflorescence as in No. 1. Mountains, S. 



3 P. inc..; 11 u in MX. Wild Basil. Whitish, with a soft down ; leaves ovate, rounded 



at base, slightly acuminate ; the floral whitened both sides ; cymes V and less broad, 

 not racemed ; corolla pale red, dotted. Rocky woods, N. and W. 2^f. 



4 P. clinopodoldes T. & G. Yillous-canescent ; leaves lanceolate, acute both 



ways ; cymes small, dense, terminal and subterminal. Dry soils, N. Y., N. J., and 

 W. 2 3f. Plant not whitened. Heads G" diameter. 



H P. ar 1st A turn MX. Smoothish ; leaves ovate-oblong, acute, snbserrate, rounded 

 at base, petiolate ; bracts rigid ; heads few, 6 9" diam. Barrens, N. J., and S. 1 2f. 



6 P. liyssoplfolium Benth. Smoothish; leaves linear-oblong, obtuse, nearly ses 



sile and entire ; heads few, large, V diameter. Barrens, Va. to Fla. 1 2f. 



7 P. Torreyl Benth. Slightly pubescent ; Ivs. Hn. -lanceolate, acute, subentire ; bracts 



and subulate calyx teeth white-pubescent. Dry hills, New York Island, N. J. : rare. 



8 P. pilosum N. Hoary with soft, spreading hairs ; leaves lanceolate, acute at each 



end, subentire, subsessile ; calyx teeth ovate-lanceolate, and with the bracts white- 

 tomcntous. Prairies, W. States, to Ga. 2f. Cymes dense, G 9". 



9 P. muticum Pers. Minutely white-downy at top ; leaves ovate to lance-ovate, 



acute, rounded or subcordate at base ; calyx teeth short, merely acute. In dry woods. 

 2 3f. Heads roundish, dense, 4 6". 



10 P. lanceolatum Ph. Leaves linear-lanceolate, entire, acute, rigid, abrupt at 

 base, sessile ; calyx teeth short, hairy ; heads small (35"). Dry woods, Mass, to 

 Car., and W. 1 2f. Handsome, fragrant, nearly smooth. 



1 1 P. li ill Col in m Ph. Glabrous ; leaves linear, attenuated both ways ; heads com- 

 pact, corymbed ; calyx teeth pungently awn-pointed. Dry soils. 1 2f. 



12 P. nudum N. Glabrous, pale, eubsimple ; leaves few and small, ovate-oblong, 

 obtuse, entire, sessile ; calyx teeth acute, pubescent. Mts., N. Car. to Ga. 1 2f. 



13 P. montanum MX. Glabrous except the villous-ciliate ovate and linear bracts ; 

 leaves lanceolate, serrate, acute; heads involucrate. Mountains, Va. and Car. 1 2f. 

 Resembles a Monarda. Fragrant. 



17. SATUREJA, L. SUMMER SAVORY. Calyx tubular, 10-ribbed, 

 throat not hairy. Segments of the bilabiate corolla not equal. Stamens 

 diverging, scarcely exserted. Herbs with small leaves and purplish fls. 



S. liortensis L. St. branching ; Ivs. linear-oblong, entire, acute at the end ; ped. ax- 

 illary, cymous. River banks, W., escaped from gardens : rare. 



18. DICBRANDRA, Benth. Calyx 13-striate, tubular, upper lip sub- 

 entire, lower bifid, throat hairy. Cor. tube exserted, straight, strongly 2- 

 lipped, the upper erect, emarginate, the lower spreading. Sta. 4, exserted, 

 distant, anther cells divaricate, each with a little horn. Branching, 

 emooth, with loose cymes. 



1 1>. linearifolia B. Stem and branches strict ; Ivs. linear, or linear-oblong ; cymea 



stalked, of 15 showy pink flowers, forming slender panicles. Dry woods, Prince 

 Edward County, Va. (Dr. Mettauer), to Fla. (Miss Keen). If. October. 



2 D. deiisiflora B. Leaves lance-oblong ; cymes sessile, 5-10-flowered. E. Fla. 



19. ORIGANUM, L. MARJORAM. Calyx tube 10-striate, 5-toothe<l, 



